Finding the Fourth Proportional to 1,518.72, 2,096.32 and 889.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.72 : 2,096.32 = 889.60 : x
2. Step 2: Convert to fraction form
   1,518.72/2,096.32 = 889.60/x
3. Step 3: Cross multiply
   1,518.72x = 2,096.32 × 889.60
4. Step 4: Simplify right side
   1,518.72x = 1,864,886.27
5. Step 5: Solve for x
   x = 1,864,886.27/1,518.72
6. Step 6: Final answer
   x = 1,227.93